package com.lagou.edu.interceptor;


import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;


public class LoginInterceptor implements HandlerInterceptor {


	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
		String requestURI = request.getRequestURI();

		if (requestURI.contains("login") || requestURI.contains("js")){
			return true;
		}
		HttpSession session = request.getSession(false);
		if(session==null){
			response.sendRedirect("/");
			return false;
		} else if(!"admin".equals(session.getAttribute("username"))){
			response.sendRedirect("/");
			return false;
		}
		return true;
	}


}
